dev.21st/mcp

21st.dev

dev.21st/mcp did not answer the probe on 2026-10-03. Result: needs auth (HTTP 401).

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needs auth probed 2026-10-03 · HTTP 401 · Bearer

Streamable HTTP error: Error POSTing to endpoint: {"jsonrpc":"2.0","id":null,"error":{"code":-32001,"message":"Not authenticated - your API key is missing or wa

Endpoint: https://21st.dev/api/mcp (streamable-http)
Host: 21st.dev
Website: https://21st.dev/mcp
Registry: active, updated 2026-09-09 · registry entry
Reachable: 2 of the last 2 probes

History

We add a row when the result changes. A server with no change keeps its last row.

Probed	Result	Init	Tools	Tokens
2026-10-03 20:33	needs auth
2026-10-03 17:50	needs auth

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